CN107526897A - A kind of equivalent simulation circuit for flowing control and recalling sensor - Google Patents
A kind of equivalent simulation circuit for flowing control and recalling sensor Download PDFInfo
- Publication number
- CN107526897A CN107526897A CN201710805073.1A CN201710805073A CN107526897A CN 107526897 A CN107526897 A CN 107526897A CN 201710805073 A CN201710805073 A CN 201710805073A CN 107526897 A CN107526897 A CN 107526897A
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- pin
- multiplier
- operational amplifier
- lf347n
- sensor
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/30—Circuit design
Abstract
The invention discloses a kind of equivalent simulation circuit for flowing control and recalling sensor, including integrated operational amplifier U1, U2, U3 and multiplier A and controlled current source L, integrated operational amplifier U1 and controlled current source to connect input respectively（A、B）, that is, recall the voltage u of sensor and the test lead of magnetic flux；Integrated operational amplifier U1, U2, U3 are used for anti-phase computing, integral operation, summation operation；Integrated operational amplifier U1 is connected with integrated operational amplifier U2, multiplier A and the output end and integrated operational amplifier U3 of multiplier combine the structure for realizing equation equation；Multiplier A realizes the multiplication of signal.Recall sensor equivalent circuit the invention provides a kind of current control, to simulate the Wei An characteristics for recalling sensor, replacement is actually recalled sensor and tested and application and research.
Description
Technical field
The invention belongs to technical field of circuit design, is related to one kind and recalls sensor mathematical modeling and its equivalent simulation circuit, tool
Body is related to one kind and realizes the simulating equivalent circuit for meeting and recalling sensor magnetic flux-electric current (Wei-peace) relation.
Background technology
In May, 2008, HP laboratories are announced to have manufactured the memristor of first physics realization, define November in the same year and recall appearance
Device and recall two kinds of memory devices of sensor, the something in common of they and memristor is that all have memory capability, and difference is this
Two kinds of device energy storage energies.These new memory devices occur in electronic applications, present a new unknown field, will
A series of change is likely to result in, while also provides a new instrument, it is old from can coming from a new angle
Problem in science.
At present, relative to memristor, recall container and recall sensor breadboardin research it is also less, and largely recall container
Memristor realization is all based on the simulator for recalling sensor, main cause is to recall container and recall the mathematical modeling of sensor not enough
It is perfect, and physically realizable actually recall container and not yet occur.Therefore, design realizes that the equivalent model for recalling sensor is ground to recalling sensor
Study carefully with important application.At present, though have reported it is a small amount of recall sensor circuit model, these mathematical modelings and circuit model pair
What is answered is to recall sensor electric current I and magnetic fluxRelation.And the present invention proposes a kind of control i.e. current control that flows and recalls sensor mathematics
Model, and the equivalent circuit for realizing the model is designed, the equivalent circuit can substitute not yet as a kind of emulator for recalling sensor
That realizes recalls sensor, and the Wei-peace characteristic for actually recalling sensor device is simulated in theoretical and application study.
The content of the invention
For deficiencies of the prior art, the invention provides a kind of realize to recall the analog circuit of sensor characteristic,
To simulate the Wei An characteristics for recalling sensor, replacement is actually recalled sensor and tested and application and research.
The technical solution adopted for solving the technical problem of the present invention is as follows：
The present invention includes integrated operational amplifier U1, U2 and U3, and multiplier A and controlled current source L, integrated computation are put
Big device U1 and controlled current source connect input and (A, B, that is, recall the voltage u and magnetic flux of sensor respectivelyTest lead), integrated computation
Amplifier U1, U2, U3 are respectively used to reverse computing, integral operation, anti-phase computing；Integrated operational amplifier U1 is put with integrated computation
Big device U2, multiplier A are connected, and integrated operational amplifier U3 combines with the output of multiplier realizes equation computing, and multiplier A is realized
The multiplication of signal.
In order to obtain better performance, the 1st pin of the integrated operational amplifier U1 be connected with resistance R2 after again with its
2nd pin accesses U1 (t) voltage sources jointly, and then a grounding of the 3rd pin forms follower, and the 4th pin is VCC ends,
An electric capacity is accessed between 6th pin and the 7th pin and then collectively forms an integrator with the 5th pin of ground connection, due to this
Only used three operational amplifiers in analog circuit, thus the 8th, 9,10 pins it is all hanging, and the 11st pin is VEE, and the 13rd draws
Pin is connected with the 14th pin, and phase inverter is constituted in conjunction with the 12nd pin of ground connection, and the output end of integrator and follower
Input of the output end respectively as multiplier.
Still further preferably, multiplier A X1 pins and Y1 pins connect the output end of follower and integrator respectively, and
In order to realize that the function X2 pins of pure gain and Y2 pins are also grounded respectively, VS+ pins connect power supply VCC, VS- pin and connect power supply
VEE, Z pin are grounded.
The present invention devises a kind of simulating equivalent circuit that can be realized and recall sensor Wei An characteristics, and the analog circuit is containing only 3
Individual integrated transporting discharging and 1 multiplier, simple for structure, the present invention recalls mutually meeting the tendency of in sensor characteristic with integrated computation circuit realiration
Calculate, wherein, integrated operational amplifier U1, U2 mainly to realize the calculus of differences of voltage, voltage integrating meter computing, it is anti-phase amplification fortune
Calculate, analog multiplier A is to the multiplication of signal, and integrated operational amplifier U3 is realizing that the variable on both sides compares the structure with equation
Build.
Brief description of the drawings
Fig. 1 is the circuit structure block diagram of the present invention.
Fig. 2 is that the present invention realizes the analog circuit schematic diagram for recalling sensor characteristic.
Embodiment
The present invention is described in detail below in conjunction with the accompanying drawings.
The theoretical starting point of the present invention is the general expression that sensor Wei An characteristics are recalled in stream control：
As shown in figure 1, this example, which recalls sensor simulating equivalent circuit, includes integrated operational amplifier U1, U2, U3 and multiplier
A, integrated operational amplifier are used for anti-phase computing, integral operation, summation operation；Integrated operational amplifier U1 and U2, multiplier A phases
Even, multiplier A realizes the multiplication of signal.Integrated operational amplifier uses LF347N, multiplier A to use AD633JN.LF347N、
AD633JN is prior art.
As shown in Fig. 2 the 5th of LF347N the, 6 pins form the input of integrator, the magnetic flux of sensor is recalledIn integrated fortune
Amplifier U3 is calculated compared with multiplier A output end.
There are 4 operational amplifiers in integrated operational amplifier LF347N, only used three therein in the present invention, such as scheme
Shown in 2, the 1st, 2, operational amplifier corresponding to 3 pins form voltage follower with peripheral resistance R2, to realize voltage below
Integration, i.e. the voltage of Out1 pins is：
U=u1-u2
Integrated operational amplifier LF347N the 12nd, 13,14 pins and electric capacity C1, resistance R6 and above follow circuit
The integrating circuit to flowing through its electric current i (t) is realized, its output end i.e. multiplier A X1 ends input are
And another input port Y1 of multiplier and without integrator thus keep intact, therefore it inputs the value at multiplier Y1 ends i not yet
(t)。
Integrated operational amplifier LF347N the 5th, 6,7 pins constitute with peripheral resistance R8 and electric capacity C2 and resistance R9
Multiplier A inputAnother input of the multiplier is electric current i (t), in controlled electricity
In the presence of stream source L and R7, the integrated operational amplifier U3 other end realizes magnetic fluxRealization, it is therefore real at U3 both ends
Circuit equation is showed:
For the needs of description, orderFig. 2 circuit equations realized are turned to：
Multiplier A model AD633JN, X1 pin is connected with the output Out4 of integrator, Y1 pins and follower
Output Out1 is connected, and X2, Y2 pin are all grounded.
The present invention proposes a kind of mathematical modeling for flowing control and recalling sensor：
Wherein LmaxAnd LminRecall inductance value, system state amount to be minimum and maximumWith the rate of change amount window of i (t) electric currents
Function window (x) is described, i.e.,This model is with the rectangular window of window (x)=1K is constant, therefore state variable function is expressed as：
x0For original state, the initial value for now recalling sensor is LM0, (2) substitution (1) is had
Wherein k'=k (Lmax-Lmin) by (3) formula bring into the basic representation for recall sensor can obtain
This proves that the analog circuit can express a kind of stream control and recall sense really as the circuit equation that Fig. 2 is released
Device.
One of ordinary skill in the art is it should be appreciated that above example is intended merely to the checking present invention, and not makees
For limitation of the invention, as long as within the scope of the invention, change, deformation to above example will all fall in the present invention
Protection domain in.
Claims (1)
1. a kind of equivalent simulation circuit for flowing control and recalling sensor, the Wei An characteristics of sensor are recalled for simulating, it is characterised in that：Including fortune
Calculate amplifier U1, U2, U3 and multiplier A, operational amplifier U1 and controlled current source L connect input, operational amplifier respectively
U2, U3, U1 are respectively used to integral operation, summation operation, anti-phase computing；Described operational amplifier U1, U2, U3 is integrated in chip
LF347N；Multiplier A uses AD633JN, specifically：
The 1st pin of the chip LF347N accesses voltage source jointly with the resistance R1 of its 2nd pin again after being connected with resistance R2,
One grounding of chip LF347N the 3rd pin forms follower, and chip LF347N the 4th pin is VCC ends, chip
An electric capacity is accessed between LF347N the 6th pin and the 7th pin and then collectively forms an integration with the 5th pin of ground connection
Device, chip LF347N the 8th, 9,10 pins it is all hanging, chip LF347N the 11st pin is VEE, the 13rd of chip LF347N the
Pin is connected with the 14th pin, and phase inverter is constituted in conjunction with the 12nd pin of ground connection；
Described multiplier AD633JN X1 pins and Y1 pins connect the output end of follower and integrator, multiplier respectively
AD633JN X2 pins are also grounded respectively with Y2, and multiplier AD633JN VS+ pins meet power supply VCC, multiplier AD633JN
VS- pins meet power supply VEE, multiplier AD633JN Z pins ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710805073.1A CN107526897A (en) | 2017-09-08 | 2017-09-08 | A kind of equivalent simulation circuit for flowing control and recalling sensor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710805073.1A CN107526897A (en) | 2017-09-08 | 2017-09-08 | A kind of equivalent simulation circuit for flowing control and recalling sensor |
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| CN107526897A true CN107526897A (en) | 2017-12-29 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108509704A (en) * | 2018-03-22 | 2018-09-07 | 武汉科技大学 | A kind of fractional order recalls the equivalent circuit of sensor |
| CN109308388A (en) * | 2018-09-12 | 2019-02-05 | 成都师范学院 | Electric current fractional order integration control formula recalls sensor |
| CN109871583A (en) * | 2019-01-16 | 2019-06-11 | 山东科技大学 | A kind of magnetic control quadratic relationship recalls sensor emulator |
| CN110147597A (en) * | 2019-05-10 | 2019-08-20 | 山东科技大学 | A kind of multistable magnetic control memristor equivalent simulation circuit |
| CN111079363A (en) * | 2019-12-12 | 2020-04-28 | 杭州电子科技大学 | Hyperbolic sinusoidal memristor circuit model |
| CN113095017A (en) * | 2021-02-25 | 2021-07-09 | 广东技术师范大学 | General simulator for memory element |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108509704A (en) * | 2018-03-22 | 2018-09-07 | 武汉科技大学 | A kind of fractional order recalls the equivalent circuit of sensor |
| CN108509704B (en) * | 2018-03-22 | 2019-08-20 | 武汉科技大学 | A kind of fractional order recalls the equivalent circuit of sensor |
| CN109308388A (en) * | 2018-09-12 | 2019-02-05 | 成都师范学院 | Electric current fractional order integration control formula recalls sensor |
| CN109871583A (en) * | 2019-01-16 | 2019-06-11 | 山东科技大学 | A kind of magnetic control quadratic relationship recalls sensor emulator |
| CN110147597A (en) * | 2019-05-10 | 2019-08-20 | 山东科技大学 | A kind of multistable magnetic control memristor equivalent simulation circuit |
| CN110147597B (en) * | 2019-05-10 | 2022-12-27 | 山东科技大学 | Multi-stable-state magnetic control memristor equivalent simulation circuit |
| CN111079363A (en) * | 2019-12-12 | 2020-04-28 | 杭州电子科技大学 | Hyperbolic sinusoidal memristor circuit model |
| CN111079363B (en) * | 2019-12-12 | 2023-03-31 | 杭州电子科技大学 | Hyperbolic sinusoidal memristor circuit model |
| CN113095017A (en) * | 2021-02-25 | 2021-07-09 | 广东技术师范大学 | General simulator for memory element |
| CN113095017B (en) * | 2021-02-25 | 2022-09-23 | 广东技术师范大学 | Universal simulator for memory element |
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Application publication date: 20171229 |